twogangadj.双联的
twonum.二;两个
two bit time addern.双拍加法器
two-level memory二级存储器
two-sided mosaic双面马赛克
two stage to orbit两级入轨
two address system二地址制
two-armed spider双臂支架
two-spool engine双转子发动机,双路式发动机
two body collision两体碰撞
two phase anaerobe两相厌氧
two-layer theory双层体理论